-- @testpoint: opengauss关键字subclass_origin(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists subclass_origin;
create function subclass_origin(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists subclass_origin;
--关键字带双引号-成功
drop function if exists "subclass_origin";
create function "subclass_origin"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists subclass_origin;
--关键字带单引号-合理报错
drop function if exists 'subclass_origin';
create function 'subclass_origin'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `subclass_origin`;
create function `subclass_origin`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
